In the ingredient descriptions: Good means that I like to see this in a product's list of ingredients. Okay means this product appears safe for a curly person like me to use. Caution means that this ingredient may not be good in some hair care products, or for some people. Avoid means this ingredient may hurt your hair. If you see this ingredient in a hair product, it's best to put it down and walk away.

Tricontanyl PVPCaution
A type of plastic resin. Has the consistency of egg white. Winter pgs 416, 523. Fine in gels, mousses and hairsprays, whose function is to keep your hair in place. May build up and make your hair sticky if used in shampoos or conditioners. —TSee also:PVPSource(s): Winter